<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_6_1.xsd">
  <_Note>Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness.</_Note>
  <Version>2.6.1</Version>
  <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/twins1_at_def_00000000_v01.json (from all.xml)</_MasterURL>
  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/TWINS1/Ephemeris/Attitude/Definitive/PT0.512S</ResourceID>
    <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json</_ResourceID>
    <ResourceHeader>
      <ResourceName>TWINS1 - Spacecraft Attitude</ResourceName>
      <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description</_ResourceName>
      <AlternateName>TWINS1_AT_DEF</AlternateName>
      <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source</_AlternateName>
      <Description>http://twins.swri.edu</Description>
      <_Description>Source: Master/CDFglobalAttributes/TEXT</_Description>
      <_Rights>
        <Name>SPDX</Name>
        <Description>Creative Commons Zero v1.0 Universal</Description>
        <URL>https://spdx.org/licenses/CC0-1.0.html</URL>
        <SchemeURI>https://spdx.org/licenses/</SchemeURI>
      </_Rights>
      <InformationURL>
        <Name>NSSDC Master Catalog, TWINS 1 spacecraft</Name>
        <URL>https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2006-027A</URL>
        <Description>General information concerning the TWINS 1 spacecraft</Description>
        <Language>en</Language>
        <_Note>Source: InformationURL.json</_Note>
      </InformationURL>
    </ResourceHeader>
    <DOI>https://doi.org/10.48322/ze5g-gm91</DOI>
    <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json</_DOI>
    <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json</_AccessInformation>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2007-04-01T00:00:00Z</StartDate>
        <StopDate>2018-12-12T23:59:58Z</StopDate>
      </TimeSpan>
      <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop</_TemporalDescription>
      <Cadence>PT1.024S</Cadence>
      <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/twins/twins1/ephemeris/att/2007/twins1_at_def_20070401_v01.cdf. The most common cadence, 1024 [ms] = PT1.024S, occurred for 90.2406% of the 61073 timesteps. </_Cadence>
    </TemporalDescription>
    <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json</_ObservedRegion>
    <ProcessingLevel/>
    <_ProcessingLevel>Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json</_ProcessingLevel>
    <InstrumentID>spase://SMWG/Instrument/TWINS1/Ephemeris</InstrumentID>
    <MeasurementType>Ephemeris</MeasurementType>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <Style>Listing</Style>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/pub/data/twins/twins1/ephemeris/att</URL>
        <Description>In CDF via HTTP from CDAWeb</Description>
        <AccessFilenameTemplate>twins1_at_def_%Y%m%d_%Q.cdf</AccessFilenameTemplate>
        <AccessDirectoryTemplate>%Y</AccessDirectoryTemplate>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <Style>Listing</Style>
      <AccessURL>
        <Name>FTPS from SPDF</Name>
        <URL>ftps://cdaweb.gsfc.nasa.gov/pub/data/twins/twins1/ephemeris/att</URL>
        <Description>In CDF via HTTP from CDAWeb</Description>
        <AccessFilenameTemplate>twins1_at_def_%Y%m%d_%Q.cdf</AccessFilenameTemplate>
        <AccessDirectoryTemplate>%Y</AccessDirectoryTemplate>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Web Service</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/WebServices/</URL>
        <Style>WebService</Style>
        <Description>Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made.</Description>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
      <Format>CSV</Format>
      <Format>GIF</Format>
      <Format>NetCDF</Format>
      <Format>PNG</Format>
      <Format>PS</Format>
      <Format>PDF</Format>
      <Format>XML</Format>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Python</Format>
      <Format>Text.ASCII</Format>
      <Format>x_WAV</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Web Service user interface</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&amp;dataset=TWINS1_AT_DEF</URL>
        <Style>WebService</Style>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Description>Web service user interface for this product.</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Format>GIF</Format>
      <Format>PDF</Format>
      <Format>Text.ASCII</Format>
      <Format>x_WAV</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Python Script</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/TWINS1_AT_DEF/clientLibraryExample/</URL>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Style>WebService</Style>
        <Description>Web service that generates a Python script to access this product.</Description>
      </AccessURL>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Python</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/SSCWeb. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>4D Orbit Viewer</Name>
        <URL>https://sscweb.gsfc.nasa.gov/4dorbit/?sc=TWINS1_AT_DEF</URL>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Style>x_Visualization</Style>
        <Description>Web Service to this product.</Description>
      </AccessURL>
      <Format>HTML</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb HAPI Server</Name>
        <URL>https://hapi-server.org/servers/#server=CDAWeb&amp;dataset=TWINS1_AT_DEF</URL>
        <Style>HAPI</Style>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Format>JSON</Format>
      <Format>Binary</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb HAPI Script in Multiple Languages</Name>
        <URL>https://hapi-server.org/servers/#server=CDAWeb&amp;dataset=TWINS1_AT_DEF&amp;return=script</URL>
        <Style>HAPI</Style>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Description>Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API.</Description>
      </AccessURL>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Javascript</Format>
      <Format>x_Script.MATLAB</Format>
      <Format>x_Script.Python</Format>
      <Format>x_Script.Autoplot</Format>
      <Format>x_Script.curl</Format>
      <Format>x_Script.wget</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: D. McComas at Southwest Research Institute</Acknowledgement>
      <AccessURL>
        <Name>HAPI visualizations</Name>
        <URL>https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&amp;dataset=TWINS1_AT_DEF&amp;format=gallery</URL>
        <Style>x_Visualization</Style>
        <ProductKey>TWINS1_AT_DEF</ProductKey>
        <Description>Web Service that generates plots. See https://hapi-server.org/plot/ for the API.</Description>
      </AccessURL>
      <Format>PNG</Format>
      <Format>PDF</Format>
      <Format>SVG</Format>
    </AccessInformation>
    <Keyword>TWINS1 (from all.xml/observatory/description/@short)</Keyword>
    <Keyword>Definitive (from all.xml/instrument/description/@short)</Keyword>
    <Keyword>Space Physics (from Master/CDFglobalAttributes/Discipline)</Keyword>
    <Keyword>Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)</Keyword>
    <Keyword>TWINS1 (from Master/CDFglobalAttributes/Source_name)</Keyword>
    <Keyword>AT (from Master/CDFglobalAttributes/Data_type)</Keyword>
    <Keyword>Attitude (from Master/CDFglobalAttributes/Data_type)</Keyword>
    <Keyword>DEF (from all.xml/instrument/@ID)</Keyword>
    <ObservedRegion>Earth.Magnetosphere.Magnetotail</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.Magnetosheath</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.RadiationBelt</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Main</ObservedRegion>
    <Parameter2>
      <Name>Epoch</Name>
      <ParameterKey>Epoch</ParameterKey>
      <Description>CATDESC: 'Epoch'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'</Description>
      <Units/>
      <Support>
        <Qualifier>Scalar</Qualifier>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter2>
    <Parameter2>
      <Name>Start Time MJD</Name>
      <ParameterKey>ISTARTTIMEMJD</ParameterKey>
      <Description>Master CDF CATDESC: 'Start Time MJD - time key of data point'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>MJD</Units>
      <FillValue>-1e+31</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Polar ECI XYZ</Name>
      <ParameterKey>FPOLARPOINTECI</ParameterKey>
      <Description>Master CDF CATDESC: 'Polar Pointing vector ECI component XYZ'. Master CDF VAR_NOTES: 'The cartesian XYZ components of the polar pointing vector in ECI coordinates.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>unitless</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>3</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Azimuthal ECI XYZ</Name>
      <ParameterKey>FAZIMUTHALPOINTECI</ParameterKey>
      <Description>Master CDF CATDESC: 'Azimuthal Pointing vector ECI component XYZ'. Master CDF VAR_NOTES: 'The cartesian XYZ components of the azimuthal pointing vector in ECI coordinates.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>unitless</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>3</Size>
      </Structure>
    </Parameter2>
  </NumericalData>
</Spase>
